Association of urban particle numbers and sources with lung function among children with asthma or allergies
作者： Ya-Ru Li , Li-Ting Feng , Bing-Yu Chen , Ho Kim , Seung-Muk Yi
DOI: 10.1016/J.SCITOTENV.2015.10.098
关键词: Inhalation exposure 、 Asthma 、 Demography 、 Allergy 、 Confidence interval 、 Interquartile range 、 Spirometry 、 FEV1/FVC ratio 、 Medicine 、 Aerosol 、 Immunology
摘要: Previous studies have reported sources of particle number pollution in urban air, but not evaluated relationships between respiratory health and these sources. We compared, among children with asthma or allergies, the associations spirometric lung functions increased exposure to source-specific versus size-segregated concentrations (PNC). Hourly measurements PNC were acquired from aerosol Supersite New Taipei, Taiwan. Spirometry (FVC, FEV1, FEF) was recorded monthly for 59 allergies at five schools during 2007-2008. After co-pollutant adjustment ozone, we found a 0.21 0.17 L decrease FVC [95% confidence interval (CI): -0.35, -0.06 L] FEV1 (95% CI: -0.32, -0.03 L), respectively, an interquartile range increase (1879.7#/cm(3)) secondary contribution observed on previous day. In addition, no significant accumulation mode (0.1 μm
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